Finding the Third Proportional to 99,444 and 147,192

Step by Step Solution

1. Step 1: Write the proportion equation
   99,444 : 147,192 = 147,192 : x
2. Step 2: Convert to fraction form
   99,444/147,192 = 147,192/x
3. Step 3: Cross multiply
   99,444x = 147,192 × 147,192
4. Step 4: Simplify right side
   99,444x = 21,665,484,864
5. Step 5: Solve for x
   x = 21,665,484,864/99,444
6. Step 6: Final answer
   x = 217,866.18